Choose the best answer: According to a study, about 13% of the world population is left-handed. A

Choose the best answer: According to a study, about 13% of the world population is left-handed. About how many people of out of 200 would you expect to be left-handed?
10
100
don't know; not enough information
20

In reality, that's not enough information, however for whatever homework assignment this is for, the answer's probably 20, since 10% of 200 is 20, and 13% is close to 10%.